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LACING: an improved motion estimation framework for scalable video coding

Published: 26 October 2008 Publication History

Abstract

Temporal scalability in H.264/SVC video compression standard can be achieved with the hierarchical B-pictures (HB) structure. When performing motion estimation (ME) in the HB structure, the temporal distance between the current frame and reference frame(s) can be large (up to 32 frames apart). This limits the performance of fast search algorithm as larger search window is often necessary. Extensive experiments showed that popular fast suboptimal block ME algorithms are ineffective at tracking large motions across several frames. In this paper, we propose a new framework called Lacing which integrates well with any fast block ME techniques to significantly improve the motion prediction accuracy in quality of the motion-compensated frame and also result in smoother motion vector fields with lower entropy.

References

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T. Koga, K. Ilinuma, A. Hirano, Y. Iijima, and T. Ishiguro. Motion compensated interframe coding for video conferencing. In Proc. Nat. Telecomm. Conf., pages G5.3.1--G5.3.5, Nov. 1981.
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J. R. Jain and A. K. Jain. Displacement measurement and its application in interframe image coding. IEEE Trans. Commun., COM--29(12):1799--1808, Dec. 1981.
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J. Y. Tham, S. Ranganath, M. Ranganath, and A. A. Kassim. A novel unrestricted center-biased diamond search for block motion estimation. IEEE Trans. Cir. Syst. Video Technol., 8(4):369--377, Aug. 1998.
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ITU-T Rec. H.264|ISO/IEC 14496-10. Advanced video coding for generic audio-visual services, 2005.
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T. Wiegand, G. Sullivan, J. Reichel, H. Schwarz, and M. Wien. Joint scalable video model JSVM-9. Joint Video Team, Doc. JVT-V202, Jan. 2007.
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H. Schwarz, D. Marpe, and T. Wiegand. Hierarchical B-pictures. Joint Video Team, Doc. JVT-PO14, July 2005.
[7]
JSVM software. Available from CVS repository. :pserver:[email protected]:/cvs/.

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    cover image ACM Conferences
    MM '08: Proceedings of the 16th ACM international conference on Multimedia
    October 2008
    1206 pages
    ISBN:9781605583037
    DOI:10.1145/1459359
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    Publication History

    Published: 26 October 2008

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    Author Tags

    1. motion estimation
    2. scalable video coding

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    MM08
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    MM08: ACM Multimedia Conference 2008
    October 26 - 31, 2008
    British Columbia, Vancouver, Canada

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